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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import sys
from PySide6.QtGui import QStandardItem, QStandardItemModel
from PySide6.QtWidgets import QApplication, QMainWindow, QTreeView
"""PySide6 port of the widgets/tutorials/modelview/6_treeview example from Qt v6.x"""
#! [1]
class MainWindow(QMainWindow):
def __init__(self, parent=None):
super().__init__(parent)
self._standard_model = QStandardItemModel(self)
self._tree_view = QTreeView(self)
self.setCentralWidget(self._tree_view)
prepared_row = self.prepare_row("first", "second", "third")
item = self._standard_model.invisibleRootItem()
# adding a row to the invisible root item produces a root element
item.appendRow(prepared_row)
second_row = self.prepare_row("111", "222", "333")
# adding a row to an item starts a subtree
prepared_row[0].appendRow(second_row)
self._tree_view.setModel(self._standard_model)
self._tree_view.expandAll()
def prepare_row(self, first, second, third):
return [QStandardItem(first), QStandardItem(second),
QStandardItem(third)]
#! [1]
if __name__ == '__main__':
app = QApplication(sys.argv)
w = MainWindow()
w.show()
sys.exit(app.exec())
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